AIPMT 2015 Cancelled Paper | Rotational Motion Question 32 | Physics

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are at a distance d from each other. The centre of mass of the rod is at distance x from A. The normal reaction on A is

$${{W\left( {d - x} \right)} \over x}$$

$${{W\left( {d - x} \right)} \over d}$$

$${{Wx} \over d}$$

$${{Wd} \over x}$$

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis XX' which is touching to two shells and passing through diameter of third shell. Moment of inertia of the system consisting of these three spherical shells about XX' axis is

AIPMT 2015 Cancelled Paper Physics - Rotational Motion Question 70 English

AIPMT 2015 Cancelled Paper Physics - Rotational Motion Question 70 English

$${{16} \over 5}m{r^2}$$

4mr²

$${{11} \over 5}m{r^2}$$

3mr²

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

A mass m moves in a circle on a smooth horizontal plane with velocity v₀ at a radius R₀. The mass is attached to a string which passes through a smooth hole in the plane as shown. the tension in the string is increased gradually and finally m moves in a circle of radius $${{{R_0}} \over 2}$$.

The final value of the kinetic energy is
AIPMT 2015 Cancelled Paper Physics - Rotational Motion Question 71 English

AIPMT 2015 Cancelled Paper Physics - Rotational Motion Question 71 English

2mv$$_0^2$$

$${1 \over 2}$$mv$$_0^2$$

mv$$_0^2$$

$${1 \over 4}$$mv$$_0^2$$

AIPMT 2014

MCQ (Single Correct Answer)

-1

A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s^$$-$$2 is

25 N

50 N

78.5 N

157 N

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